Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 645 [Rate centres in NPA 645] [Dial plan for NPA 645]

NXX: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
645-465 A Miami FL MIAUFLWSDS8  693K LIVEWIRE TELECOM, LLC 46017   2026-05-04   
645-465 0 Miami FL MIAMFL98DS4  937C ONVOY, LLC - FL 46017   2026-05-07   
645-465 1 Miami FL MIAMFL98DS4  937C ONVOY, LLC - FL 46017   2026-05-07   
645-465 2 Miami FL   937C ONVOY, LLC - FL 46017   2026-08-31   
645-465 3 Miami FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-465 4 Miami FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-465 5 Miami FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-465 6 Miami FL   937C ONVOY, LLC - FL 46017   2026-09-12   
645-465 7 Miami FL   982E BANDWIDTH.COM CLEC, LLC - FL 46017   2026-10-12   
645-465 8 Miami FL MIAUFLWSDS8  693K LIVEWIRE TELECOM, LLC 46017   2026-05-04   
645-465 9 Miami FL MIAUFLWSDS8  693K LIVEWIRE TELECOM, LLC 46017   2026-05-04   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.